Chronic Ankle Instability (mainly characterized by recurrent lateral ankle sprains, giving way sensation, feeling of instability during walking or sports, pain, swelling, and limited activity)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >=18 years and 6 months) and failed conservative treatment; 3. No previous ipsilateral ankle-hindfoot surgery; 4. Able to understand the study purpose, voluntarily participate and sign informed consent, independently complete valid questionnaires, and willing to comply with the required clinical follow-up.
Exclusion criteria
Exclusion criteria: 1. Ankle osteoarthritis (Takakura stage 3a or higher); 2. Previous ipsilateral ankle ligament surgery; 3. Patients with severe hepatic or renal insufficiency, serious cardiovascular, cerebrovascular or other severe diseases; 4. Systemic connective tissue disease or metabolic bone disease; 5. Pregnant or breastfeeding women; 6. Other severe systemic diseases making the patient unable to tolerate surgery; 7. Currently participating in another drug or medical device clinical trial and not yet reached its primary endpoint; 8. Patients considered unsuitable for participation in this clinical trial by the investigator for any other reason;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Karlsson Ankle Score postoperatively;Incidence of intraoperative and short-term (=6 months) adverse events; | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood biochemistry (liver function: ALT, AST; renal function: Cr, BUN; electrolytes: Ca, P);Patient satisfaction score;Complete blood count;Ligament healing assessed by ankle MRI;Postoperative Tegner Activity Score;Karlsson Ankle Score at 6 weeks and 3 months postoperatively;Postoperative AOFAS Ankle-Hindfoot Score;Postoperative VAS pain score; | — |
Countries
China
Contacts
Beijing Jishuitan Hospital, Capital Medical University